/// <summary>
/// Processes each poker action received from the server.
/// Updates the game state and moves to the next node in our strategy.
/// </summary>
/// <param name="pa"></param>
void ProcessAction(PokerAction pa)
{
int chBegin, chCount;
_strIndexes[_pos].GetChildrenBeginIdxAndCount(_curStrNodeIdx, out chBegin, out chCount);
int nextStrNodeIdx = -1;
if (pa.IsDealerAction())
{
_gameState.UpdateByAction(pa, null);
if (pa.Position >= 0 && pa.Position != _pos)
{
// This is a deal to an opponent
// We can skip it for games without public cards (and it is very unlikely we will have some
// in the future).
return;
}
int[] hand = _deckDescr.GetIndexes(_gameState.Players[_pos].Hand);
int abstrCard = _chanceAbsrtractions[_pos].GetAbstractCard(hand, hand.Length);
for (int c = 0; c < chCount; ++c)
{
int stNodeIdx = _strIndexes[_pos].GetChildIdx(chBegin + c);
StrategyTreeNode stNode = new StrategyTreeNode();
_strategies[_pos].GetNode(stNodeIdx, &stNode);
if (!stNode.IsDealerAction)
{
throw new ApplicationException(
String.Format("{0} : expected strategy child: dealer action but was: '{1}'",
GetBotStateDiagText(), stNode.ToStrategicString(null)));
}
if (stNode.Card == abstrCard)
{
nextStrNodeIdx = stNodeIdx;
goto searchFinished;
}
}
}
else // Player action
{
double inPotBefore = _gameState.Players[pa.Position].InPot;
_gameState.UpdateByAction(pa, null);
double inPotAfter = _gameState.Players[pa.Position].InPot;
double actualAmount = inPotAfter - inPotBefore;
double bestAmount = double.MinValue;
for (int c = 0; c < chCount; ++c)
{
int stNodeIdx = _strIndexes[_pos].GetChildIdx(chBegin + c);
StrategyTreeNode stNode = new StrategyTreeNode();
_strategies[_pos].GetNode(stNodeIdx, &stNode);
if (!stNode.IsPlayerAction(pa.Position))
{
throw new ApplicationException(
String.Format("{0} : expected strategy child: player action pos {1} but was: '{2}'",
GetBotStateDiagText(), pa.Position, stNode.ToStrategicString(null)));
}
double amount = stNode.Amount;
switch (_amountSearchMethod)
{
case AmountSearchMethod.Equal:
if (FloatingPoint.AreEqual(amount, actualAmount, AMOUNT_EPSILON))
{
nextStrNodeIdx = stNodeIdx;
goto searchFinished;
}
break;
case AmountSearchMethod.Closest:
if (Math.Abs(amount - actualAmount) < Math.Abs(bestAmount - actualAmount))
{
bestAmount = amount;
nextStrNodeIdx = stNodeIdx;
}
break;
}
}
}
searchFinished:
if (nextStrNodeIdx == -1)
{
throw new ApplicationException(
String.Format("{0} : cannot find strategy action for poker action '{1}'",
GetBotStateDiagText(), pa.ToGameString()));
}
_curStrNodeIdx = nextStrNodeIdx;
}
